AZ973 40 AMP MINI-ISO AUTOMOTIVE RELAY FEATURES • • • • • • • • • • Quick connect terminals 40 Amp contact rating High momentary carry current (60A) High operating temperature (110°C) SPST (1 Form A), SPDT (1 Form C) Epoxy sealed versions available Metal or plastic mounting bracket available Resistor or diode parallel to coil available ISO/TS 16949, ISO14000 Tested in accordance with SAE J2544 GENERAL DATA CONTACTS Arrangement SPST (1 Form A) SPDT (1 Form C) Ratings Resistive load: Max. switched power: 560 W (SPST) 560 W (N.O.) 420 W (N.C.) Max. switched current: 40 A (SPST) 40 A (N.O.) 30 A (N.C.) Life Expectancy Mechanical Electrical Minimum operations 1 x 107 1 x 105 at 40 A 14 VDC Res. Operate Time (max.) 7 ms at nominal coil voltage Release Time (max.) 5 ms at nominal coil voltage Dielectric Strength 500 Vrms coil to contact (at sea level for 1 min.) 500 Vrms contact to contact Insulation Resistance 100 megohms min. at 500 VDC, 20°C 50% RH Max. switched voltage: 75 VDC Material Silver tin oxide Dropout Greater than 10% of nominal coil voltage Resistance < 100 milliohms initially (6 V, 1 A voltage drop method) Ambient Temperature Operating Storage -55°C (-67°F) to 110°C (230°F) -55°C (-67°F) to 155°C (311°F) Vibration 0.062” DA at 10-40 Hz Shock 100 m/s2 COIL Power At Pickup Voltage (typical) 0.68 W Enclosure P.B.T. polyester Max. Continuous Dissipation 5.1 W at 20°C (68°F) Terminals Tinned copper alloy 0.25 Quick Connect Temperature Rise 52°C (94°F) at nominal coil voltage Temperature Max. 155°C (311°F) Note: Allow suitable slack on leads when wiring, and do not subject the terminals to excessive force. Weight 31 grams NOTES 1. All values at 20°C (68°F). 2. Relay may pull in with less than “Must Operate” value. 3. Specifications subject to change without notice. 11/14/05W AZ973 RELAY ORDERING DATA COIL SPECIFICATIONS Nominal Coil VDC 6 12 24 Must Operate VDC 3.9 7.8 15.6 Max. Continuous VDC 10.6 21.0 42.2 Coil Resistance ± 10% 22 85 350 RELAY ORDERING DATA AZ973-1C-12DC2R1 Blank - Standard no diode, no resistor R1 - 680 Ohm, ½ w resistor in parallel with 12 V coil 2700 Ohm ½ w resistor in parallel with 24 V coil R2 - 820 Ohm, ½ w resistor in parallel with 12 V coil 3200 Ohm ½ w resistor in parallel with 24 V coil D1 - 1N4007 diode in parallel with coil, anode on #86 terminal D2 - 1N4007 diode in parallel with coil, cathode on #86 terminal D3 - 1N4004 diode in parallel with coil, anode on #86 terminal D4 - 1N4004 diode in parallel with coil, cathode on #86 terminal C1 - Plastic dust cover with steel mounting bracket C1E - Plastic dust cover with steel mounting bracket, sealed C2 - Plastic dust cover with plastic mounting bracket C2E - Plastic dust cover with plastic mounting bracket, sealed C3 - Plastic dust cover C3E - Plastic dust cover, sealed C4 - Plastic dust cover, shrouded, sealed, with metal mounting bracket 24D - 24 volt coil 12D - 12 volt coil 6D - 6 volt coil 1A - SPNO Single pole normally open 1C - SPDT Single pole double throw Basic series designation - AZ973 11/14/05W AZ973 MECHANICAL DATA Version C3 Version C1 1.032 [26.2] .472 [12.0] 1.032 [26.2] .039 [1.0] ø.209 [ø5.3] .681 [17.3] .933 [23.7] .445 [11.3] .453 [11.5] .032 [0.8] .248 [6.3] .665 [16.9] Version C2 .331 [8.4] .705 [17.9] .106 [2.7] ø.228 [ø5.8] .079 [2.0] .650 [16.5] .354 [9.0] .315 [8.0] 1.032 [26.2] .630 [16.0] Note: Dimensions shown for Version C3 are typical for all other versions Version C4 WIRING DIAGRAMS .650 [16.6] .262 5] [6.6 .354 [.900] .858 [21.8] 30 30 87A 85 86 85 87 86 85 1.79 MAX [45.5] 86 87 R1,R2 FORM A 1.398 [35.5] 1.831 [46.5] .776 [19.7] FORM C 1.40 [35.5] .787 [20.0] 85 86 85 86 .331 [8.4] D1,D3 .071 [1.8] D2,D4 Viewed Toward Terminals 5 x .453 [11.5] 30 85 87A 86 .705 [17.9] 87 .315 [8.0] .272 [6.9] 5 x .248 [6.3] .173 [4.4] 5 x .032 [0.8] .354 [9.0] .665 [16.9] Connector for use with Version C4- Connectors to mate with AZ973 relay with the version C4 cover are available from Delphi Connection Systems (www.delphiconnect.com). (Typical Delphi part number is 12065685) Dimensions in inches with metric equivalents in parentheses. Tolerance: ± .010" 11/14/05W AZ973 Sockets & Hardware for AZ973 ST9721-U1 .079 [2.0] 1.300 [33.0] 1.091 [27.7] .236 [6.0] .472 [12.0] .354 [9.0] .945 [24.0] 1.417 [36.0] 1.205 [30.6] .245 [6.2] ST9721-U2 [1] ST9721-U3 .075 [1.9] .945 [24.0] .945 [24.0] .059 [1.5] 1.043 [26.5] .626 [15.9] .200 [5.1] .332 [8.4] .664 [16.9] 1.043 [26.5] .571 [14.5] .138 [3.5] .256 [6.5] .256 [6.5] 2X TAB Ø.083 [Ø2.1] Ø.116 [Ø2.9] .075 [1.9] .905 [23.0] .375 [9.5] .705 [17.9] .090 [2.3] [1] VIEWED TOWARDS TERMINALS [1] Recommended receptical connector Amp Part numbers are 5-160558-9 or 5-1605-26-9 11/14/05W